GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-04-01 03:54:02 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull perf fixes from Ingo Molnar:
 "Misc fixes: two PMU driver fixes and a memory leak fix"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix memory leak triggered by perf --namespace
  perf/x86/intel/uncore: Add event constraint for BDX PCU
  perf/x86/intel: Hide TSX events when RTM is not supported
This commit is contained in:
Linus Torvalds 2017-11-26 13:41:48 -08:00
commit 580e3d552d
3 changed files with 32 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
arch/x86/events/intel/core.c
View file

@ -3734,6 +3734,19 @@ EVENT_ATTR_STR(cycles-t, cycles_t, "event=0x3c,in_tx=1");
EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1"); EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1");
static struct attribute *hsw_events_attrs[] = { static struct attribute *hsw_events_attrs[] = {
EVENT_PTR(mem_ld_hsw),
EVENT_PTR(mem_st_hsw),
EVENT_PTR(td_slots_issued),
EVENT_PTR(td_slots_retired),
EVENT_PTR(td_fetch_bubbles),
EVENT_PTR(td_total_slots),
EVENT_PTR(td_total_slots_scale),
EVENT_PTR(td_recovery_bubbles),
EVENT_PTR(td_recovery_bubbles_scale),
NULL
};
static struct attribute *hsw_tsx_events_attrs[] = {
EVENT_PTR(tx_start), EVENT_PTR(tx_start),
EVENT_PTR(tx_commit), EVENT_PTR(tx_commit),
EVENT_PTR(tx_abort), EVENT_PTR(tx_abort),
@ -3746,18 +3759,16 @@ static struct attribute *hsw_events_attrs[] = {
EVENT_PTR(el_conflict), EVENT_PTR(el_conflict),
EVENT_PTR(cycles_t), EVENT_PTR(cycles_t),
EVENT_PTR(cycles_ct), EVENT_PTR(cycles_ct),
EVENT_PTR(mem_ld_hsw),
EVENT_PTR(mem_st_hsw),
EVENT_PTR(td_slots_issued),
EVENT_PTR(td_slots_retired),
EVENT_PTR(td_fetch_bubbles),
EVENT_PTR(td_total_slots),
EVENT_PTR(td_total_slots_scale),
EVENT_PTR(td_recovery_bubbles),
EVENT_PTR(td_recovery_bubbles_scale),
NULL NULL
}; };
static __init struct attribute **get_hsw_events_attrs(void)
{
return boot_cpu_has(X86_FEATURE_RTM) ?
merge_attr(hsw_events_attrs, hsw_tsx_events_attrs) :
hsw_events_attrs;
}
static ssize_t freeze_on_smi_show(struct device *cdev, static ssize_t freeze_on_smi_show(struct device *cdev,
struct device_attribute *attr, struct device_attribute *attr,
char *buf) char *buf)
@ -4186,7 +4197,7 @@ __init int intel_pmu_init(void)
x86_pmu.hw_config = hsw_hw_config; x86_pmu.hw_config = hsw_hw_config;
x86_pmu.get_event_constraints = hsw_get_event_constraints; x86_pmu.get_event_constraints = hsw_get_event_constraints;
x86_pmu.cpu_events = hsw_events_attrs; x86_pmu.cpu_events = get_hsw_events_attrs();
x86_pmu.lbr_double_abort = true; x86_pmu.lbr_double_abort = true;
extra_attr = boot_cpu_has(X86_FEATURE_RTM) ? extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
hsw_format_attr : nhm_format_attr; hsw_format_attr : nhm_format_attr;
@ -4225,7 +4236,7 @@ __init int intel_pmu_init(void)
x86_pmu.hw_config = hsw_hw_config; x86_pmu.hw_config = hsw_hw_config;
x86_pmu.get_event_constraints = hsw_get_event_constraints; x86_pmu.get_event_constraints = hsw_get_event_constraints;
x86_pmu.cpu_events = hsw_events_attrs; x86_pmu.cpu_events = get_hsw_events_attrs();
x86_pmu.limit_period = bdw_limit_period; x86_pmu.limit_period = bdw_limit_period;
extra_attr = boot_cpu_has(X86_FEATURE_RTM) ? extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
hsw_format_attr : nhm_format_attr; hsw_format_attr : nhm_format_attr;
@ -4283,7 +4294,7 @@ __init int intel_pmu_init(void)
extra_attr = boot_cpu_has(X86_FEATURE_RTM) ? extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
hsw_format_attr : nhm_format_attr; hsw_format_attr : nhm_format_attr;
extra_attr = merge_attr(extra_attr, skl_format_attr); extra_attr = merge_attr(extra_attr, skl_format_attr);
x86_pmu.cpu_events = hsw_events_attrs; x86_pmu.cpu_events = get_hsw_events_attrs();
intel_pmu_pebs_data_source_skl( intel_pmu_pebs_data_source_skl(
boot_cpu_data.x86_model == INTEL_FAM6_SKYLAKE_X); boot_cpu_data.x86_model == INTEL_FAM6_SKYLAKE_X);
pr_cont("Skylake events, "); pr_cont("Skylake events, ");

8
arch/x86/events/intel/uncore_snbep.c
View file

@ -3035,11 +3035,19 @@ static struct intel_uncore_type *bdx_msr_uncores[] = {
NULL, NULL,
}; };
/* Bit 7 'Use Occupancy' is not available for counter 0 on BDX */
static struct event_constraint bdx_uncore_pcu_constraints[] = {
EVENT_CONSTRAINT(0x80, 0xe, 0x80),
EVENT_CONSTRAINT_END
};
void bdx_uncore_cpu_init(void) void bdx_uncore_cpu_init(void)
{ {
if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores) if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores; bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
uncore_msr_uncores = bdx_msr_uncores; uncore_msr_uncores = bdx_msr_uncores;
hswep_uncore_pcu.constraints = bdx_uncore_pcu_constraints;
} }
static struct intel_uncore_type bdx_uncore_ha = { static struct intel_uncore_type bdx_uncore_ha = {

1
kernel/events/core.c
View file

@ -6676,6 +6676,7 @@ static void perf_fill_ns_link_info(struct perf_ns_link_info *ns_link_info,
ns_inode = ns_path.dentry->d_inode; ns_inode = ns_path.dentry->d_inode;
ns_link_info->dev = new_encode_dev(ns_inode->i_sb->s_dev); ns_link_info->dev = new_encode_dev(ns_inode->i_sb->s_dev);
ns_link_info->ino = ns_inode->i_ino; ns_link_info->ino = ns_inode->i_ino;
path_put(&ns_path);
} }
} }